样品采集在有孔的聚乙稀袋中。
提出了在釉中引入聚乙稀醇（PVA）溶液方法。
The glaze technology is improved by introducing polyvinyl alcohol(PVA) in glaze composition.
该光谱表明，聚乙稀类物已经迁移到人造橡胶的表面。
The spectrum indicates that a polyethylene-like species has migrated to the surface of the elastomer.
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